Answer:
Width = 5
Length = 10
Step-by-step explanation:
Let x be the width of the rectangle
2x + 2(2x) = 30
x = 5
Width = 5
Length = 10
If x + y = 12 and x = 2y, then x=
The value of x is equal to 8.
Given the following equation;
[tex]x + y = 12[/tex] .....equation 1
[tex]x = 2y[/tex] .....equation 2
To find the value of x, we would solve the system of equations by using the substitution method to determine the value of y;
Substituting eqn 2 into eqn 1, we have;
[tex]2y + y = 12[/tex]
[tex]3y = 12\\\\y = \frac{12}{3}[/tex]
y = 4
Next, we would solve for the value of x;
From equation 2;
[tex]x = 2y\\\\x = 2(4)[/tex]
x = 8
Therefore, the value of x is equal to 8.
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Select the correct answer.
Write (21 - 4) - (16 + 7) + 281 as a complex number in standard form.
A.
5+ 397
B.
5 + 177
Ос.
5-394
D.
5-17
Reset
solve as a complex number
Adult movie tickets cost $8 each. Children pay $5 for a ticket. For one movie, 90 total tickets were sold for a total of $525. Which system of equations can be used to find the number of each type of ticket, adult, a, and children, c, that were sold?
A. a + c = 90 8a + 5c = 525
B. a + c = 525 8a + 5c = 90
C. a + c = 90 5a + 8C = 525
D. a + c = 525 5a + 8C = 90
Answer: A
Step-by-step explanation:
I had this question on my test yesterday lol
The system of equation will be ". a + c = 90 8a + 5c = 525"
Let the number of adults tickets be represented by a
Let the number of children tickets be represented by c.
Since 90 total tickets were sold, this can be represented by the equation:
a + c = 90
Since adult movie tickets cost $8 each while the children pay $5 for a ticket, and total cost spent is $525, this will be:
8a + 5c = 525
Therefore, the correct option is A.
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3. If the average of 16, 14, x, 23, 20 is 18, find the value of x.
LA
Maths
Answer:
x = 17
Step-by-step explanation:
Here, we want to find the value of x
mathematically, the mean is the sum of the numbers divided by the count of the numbers
The count of the numbers is 5
So we have;
(16 + 14 + x + 23 + 20)/5 = 18
73 + x = 5(18)
73 + x = 90
x = 90-73
x = 17
Find the Circumference in the example below using the steps provided. Use 3.14 for Pi. Do not round. Be sure to label your answer.
where is the example
I can't answer the question without the example provided, but here are some steps to solve it.
Basic info-
Circumference (C)
3.14 is used for pi π= 3.14
The line halfway of the circle is the radius(r)
The line through the circle is the diameter(d)
Formulas:
C= 2πr
2 × 3.14 × the radius
OR
C= πd
3.14 × the diameter
Help!!!!!!! Once again this is a review!!!!!!! Question is on image below. 50 points + brainliest!!!!!!
Answer:
82
Step-by-step explanation:
It is lets then 90 but not by much
What is a No solution? What is a infinite solution?
Answer:
No solution would mean that there is no answer to the equation. ... Infinite solutions would mean that any value for the variable would make the equation true?
the cost of 7 toys is AED 294. the cost of 5 toys. (Unitary method)
Answer:
AED 210
Step-by-step explanation:
If the cost of 7 toys is AED 294, this is written as;
7 toys = AED 294
To get the cost of 5 toys, this is written as;
5 toys = x
Divide both expressions
7/5 = 294/x
Cross multiply
7x = 5 * 294
7x = 1470
x = 1470/7
x = 210
Hence the cost of 5 toys is AED 210
A cheese maker changes the temperature of his milk at a rate of -3°F per minute. What is the change
in the temperature of the milk after 15 minutes?
Answer: -45°
Step-by-step explanation: This is because if it changes -3°F every minute and there are 15 minutes, just do 15*-3. In this case, is -45°
Martin Company currently produces and sells 33,000 units of product at a selling price of $15. The product has variable costs of $5 per unit and fixed costs of $43,000. The company earns a total contribution martin of
Answer:
$330,000
Step-by-step explanation:
The selling price per unit is $15
The variable cost per unit is $5
Units sold is $33,000
The contribution margin can be calculated as follows
(15-5)×33000
= 10 × 33000
= 330,000
Hence the contribution margin is $330,000
3,111 x 6.5 plz i need it by tuesday
Answer:20221.5
Step-by-step explanation:
Answer:
20221.5
Step-by-step explanation:
Sam and Ella were running in a race. Sam ran ⅞ of a mile and Ella ran 5/10 of a mile. At the end of the race they wanted to compare how far they ran. Ella said they could compare the fractions by comparing each fraction to ½. Show how Ella could compare 5/10 and ⅞ to ½ . Then explain who ran further and how you know.
Answer:
ELLA
Step-by-step explanation:
Given that :
Distance covered by Ella = 5/10
Distance covered by Sam = 7/8
Comparing each distance to 1/2
Ella = 5/ 10 = 1/2 ; 1/2 = 1/2 = 0.5
Sam = 7/8 = 0.875 ; comparing with 1/2
0.875 > 0.5
Given
Sam ran farther Than ELLA
Because 0.875 > 1/2
0.875 - 0. 5 = 0.375
Write a second equation whose graph goes through (0,1) so the system has no solutions.
Answer:
y = 5x + 1
Step-by-step explanation:
Hello There!
Equations that have no solutions are parallel
So the line we are going to create an equation for has the same slope as the line drawn
To find the slope we do change in y divided by change in x
as y goes 5 x goes up 1
so the slope is 5/1 or 5
The requirements for the equation is it has to go through the points (0,1)
The ordered pair listed is the y intercept so the equation would be
y = 5x + 1
4. This is a
function
5. The equation is
6. The value for f(-4) is
THREE NUMBERS BEHIND THE DECIMAL PT
Answer:
Step-by-step explanation:
4). This is an exponential function.
5). Let the equation of this function is,
f(x) = a(b)ˣ
Since, two points (-1, 4) and (0, 6) are lying on the graph of the function,
For (-1, 4),
4 = a(b)⁻¹
4 = [tex]\frac{a}{b}[/tex] --------(1)
For (0, 6),
6 = a(b)⁰
a = 6
From equation (1),
4 = [tex]\frac{6}{b}[/tex]
b = [tex]\frac{6}{4}[/tex] = 1.5
Therefore, equation of the function will be,
f(x) = 6(1.5)ˣ
6). Now the value of f(-4) will be,
f(-4) = 6(1.5)⁻⁴
= 1.185
Math
Help
Please helppp it’s math
Answer: C
Step-by-step explanation:
She is in the hole 8.10 and she makes 6.50
-8.10 + 6.50
Answer:
-8.10 + 6.50
Circle P has radius 6, and circle O has circumference 36π. What is the scale factor of the dilation that transforms circle P into circle O?
Answer:
thanks
Step-by-step explanation:
I don't understand this problem. will look at and edit my answer if get it.
identity the transformation that was applied to this letter.
Answer:
Rotation around the origin.
The image was rotated 90 degrees clockwise
help? I will give you brainliest, if your answer was correct.
Answer:
B
Step-by-step explanation:
Answer:
the answer is b
Step-by-step explanation:
got it right
2x=16 what is the answer
Answer:
8
Step-by-step explanation:
2*8 = 16
Answer:
x=8
Step-by-step explanation:
Thats what I think it is
Traingle A' B' C' is the image of triangle ABC under a dilation. What is the scale factor of the dilation?
Help me in 5 minutes
Answer:
it should be A and C
Step-by-step explanation:
peer reviews are supposed to help improve and edit unchecked writings, not improve relationships or socialize
What's the slope of the line passing through the points 9, 7 and 9 , -1
Answer:
Undefined slope
Human:
✧･ﾟ: *✧･ﾟ:* Answer: *:･ﾟ✧*:･ﾟ✧
✅ 5/4
I WOULD APPRECIATE BRAINLIEST!
~ ₕₒₚₑ ₜₕᵢₛ ₕₑₗₚₛ! :₎ ♡
~
What is the exact circumference of the circle?
A 10π ft
B 20π ft
C 40π ft
D 60π ft
Answer:
[tex]\huge\boxed{Answer\hookleftarrow}[/tex]
Given,
Diameter (d) = 20 ft
Radius (r) = ?
[tex]r = \frac{d}{2} \\ r = \frac{20}{2} \\ r = 10 \: \: ft[/tex]
____________________
Now, we've to find the exact circumference (c) ..
[tex]c = 2\pi \: r \\ c = 2\pi \times 10 \\ c = 20\pi ft[/tex]
⎆ The answer is [tex]\large\bold{20π \ ft (option \ C)}[/tex]
____________________
ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ
# ꧁❣ RainbowSalt2²2² ࿐
20n^2+3n=12n^2+4
identify a,b,c
Answer:
a) a=8, b=3, c=-4
b) (-3 + [tex]\sqrt{137}[/tex])/16, (-3 - [tex]\sqrt{137}[/tex])/16)
c) roots in decimal form are 0.54 and -0.92
Step-by-step explanation:
a) 8n² + 3n - 4
b) (-3±[tex]\sqrt{9+128}[/tex]) ÷ 16
*picture from last questions!!*
what is the square root of 27485.992521?
Answer:
My calculator says 165.789
help me please please!!!!!!!!
13. After Valentine's Day, boxes of chocolates go on sale and are marked down 10%. The
original price of a box of chocolates is $30. What is the sale price? (price after the discount)
A $3.00
C $27.00
B $5.00
D $33.00
Please help!! This test is super hard
Answer:
$27.00
Step-by-step explanation:
First, 10% of 30 = 3.
Second, 30 - 3 = 27
Hope this helps!
In AKLM, k = 13 cm, 1 = 17 cm and m=28 cm. Find the measure of ZK to the nearest
degree.
Answer:
18
Step-by-step explanation:
delta math
Yolanda made $242 for 11 hours of work. At the same rate, how many hours did she have to work to make $198.
His hourly rate is:
242/11=22 dollars
( dollars/hour ) x ( hours worked ) = dollars earned
Let t= hours worked
22t+=198
t=198/22
t=9
Yolanda needs to work 9 hrs